BR0015255A - Armazenador de dados ótico e processo para a sua preparação - Google Patents
Armazenador de dados ótico e processo para a sua preparaçãoInfo
- Publication number
- BR0015255A BR0015255A BR0015255-2A BR0015255A BR0015255A BR 0015255 A BR0015255 A BR 0015255A BR 0015255 A BR0015255 A BR 0015255A BR 0015255 A BR0015255 A BR 0015255A
- Authority
- BR
- Brazil
- Prior art keywords
- preparation
- optical data
- data store
- irradiation
- laser light
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
-
- G—PHYSICS
- G11—INFORMATION STORAGE
- G11B—INFORMATION STORAGE BASED ON RELATIVE MOVEMENT BETWEEN RECORD CARRIER AND TRANSDUCER
- G11B7/00—Recording or reproducing by optical means, e.g. recording using a thermal beam of optical radiation by modifying optical properties or the physical structure, reproducing using an optical beam at lower power by sensing optical properties; Record carriers therefor
- G11B7/24—Record carriers characterised by shape, structure or physical properties, or by the selection of the material
- G11B7/241—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material
- G11B7/252—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers
- G11B7/253—Record carriers characterised by shape, structure or physical properties, or by the selection of the material characterised by the selection of the material of layers other than recording layers of substrates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G64/00—Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
- C08G64/20—General preparatory processes
- C08G64/22—General preparatory processes using carbonyl halides
- C08G64/24—General preparatory processes using carbonyl halides and phenols
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T428/00—Stock material or miscellaneous articles
- Y10T428/21—Circular sheet or circular blank
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyesters Or Polycarbonates (AREA)
- Optical Record Carriers And Manufacture Thereof (AREA)
- Optical Recording Or Reproduction (AREA)
- Manufacture Of Macromolecular Shaped Articles (AREA)
- Investigating Or Analysing Materials By The Use Of Chemical Reactions (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
Abstract
"ARMAZENADOR DE DADOS óTICO E PROCESSO PARA A SUA PREPARAçãO". O pedido descreve armazenadores de dados óticos com estabilidade particular na irradiação com luz de laser azul e um processo para a sua preparação.
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE19952849A DE19952849A1 (de) | 1999-11-03 | 1999-11-03 | Optische Datenträger und Verfahren zu ihrer Herstellung |
PCT/EP2000/010398 WO2001032747A1 (de) | 1999-11-03 | 2000-10-23 | Optische datenträger und verfahren zu ihrer herstellung |
Publications (1)
Publication Number | Publication Date |
---|---|
BR0015255A true BR0015255A (pt) | 2002-11-19 |
Family
ID=7927750
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
BR0015255-2A BR0015255A (pt) | 1999-11-03 | 2000-10-23 | Armazenador de dados ótico e processo para a sua preparação |
Country Status (11)
Country | Link |
---|---|
US (1) | US6855390B1 (pt) |
EP (1) | EP1240231A1 (pt) |
JP (1) | JP2003527464A (pt) |
KR (1) | KR20020053835A (pt) |
CN (1) | CN1387543A (pt) |
AU (1) | AU7921400A (pt) |
BR (1) | BR0015255A (pt) |
DE (1) | DE19952849A1 (pt) |
HK (1) | HK1052192A1 (pt) |
MX (1) | MXPA02004398A (pt) |
WO (1) | WO2001032747A1 (pt) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2003026793A (ja) * | 2001-07-16 | 2003-01-29 | Teijin Chem Ltd | 精製ポリカーボネート樹脂の製造方法 |
JP2009227840A (ja) * | 2008-03-24 | 2009-10-08 | Nippon Zeon Co Ltd | 環状オレフィン系付加型重合体を含有する樹脂材料からなる光学成形品 |
Family Cites Families (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0653793B2 (ja) | 1986-10-22 | 1994-07-20 | 出光石油化学株式会社 | ポリカ−ボネ−ト有機溶剤液の洗浄方法 |
JPH0827978B2 (ja) * | 1989-01-25 | 1996-03-21 | 出光石油化学株式会社 | 光学式ディスク基板及び該基板を用いた光学式情報記録媒体 |
US5412060A (en) * | 1991-08-20 | 1995-05-02 | Bayer Aktiengesellschaft | Process for the production of polycarbonate of constant viscosity |
JPH07196783A (ja) | 1994-01-07 | 1995-08-01 | Mitsui Toatsu Chem Inc | 芳香族ポリカーボネートの製造方法 |
JP3436466B2 (ja) * | 1996-03-07 | 2003-08-11 | 出光石油化学株式会社 | デジタルビデオディスク基板 |
EP0890944B1 (en) * | 1996-03-28 | 2005-03-09 | Idemitsu Kosan Co., Ltd. | Digital video disk substrate |
US6646098B2 (en) * | 1998-08-18 | 2003-11-11 | Teijen Chemicals | Polycarbonate resin molding material for optical use and optical disk substrate |
SG87068A1 (en) * | 1999-01-11 | 2002-03-19 | Mitsubishi Gas Chemical Co | Process for purifying polycarbonate resin solution |
-
1999
- 1999-11-03 DE DE19952849A patent/DE19952849A1/de not_active Withdrawn
-
2000
- 2000-10-23 KR KR1020027005679A patent/KR20020053835A/ko not_active Application Discontinuation
- 2000-10-23 MX MXPA02004398A patent/MXPA02004398A/es unknown
- 2000-10-23 EP EP00969530A patent/EP1240231A1/de not_active Withdrawn
- 2000-10-23 WO PCT/EP2000/010398 patent/WO2001032747A1/de active Search and Examination
- 2000-10-23 AU AU79214/00A patent/AU7921400A/en not_active Abandoned
- 2000-10-23 CN CN00815240A patent/CN1387543A/zh active Pending
- 2000-10-23 BR BR0015255-2A patent/BR0015255A/pt not_active Application Discontinuation
- 2000-10-23 JP JP2001535443A patent/JP2003527464A/ja active Pending
- 2000-10-23 US US10/111,991 patent/US6855390B1/en not_active Expired - Fee Related
-
2003
- 2003-06-18 HK HK03104385.2A patent/HK1052192A1/zh unknown
Also Published As
Publication number | Publication date |
---|---|
AU7921400A (en) | 2001-05-14 |
EP1240231A1 (de) | 2002-09-18 |
HK1052192A1 (zh) | 2003-09-05 |
JP2003527464A (ja) | 2003-09-16 |
DE19952849A1 (de) | 2001-05-10 |
US6855390B1 (en) | 2005-02-15 |
CN1387543A (zh) | 2002-12-25 |
MXPA02004398A (es) | 2002-09-02 |
WO2001032747A1 (de) | 2001-05-10 |
KR20020053835A (ko) | 2002-07-05 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
B11A | Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing | ||
B11Y | Definitive dismissal acc. article 33 of ipl - extension of time limit for request of examination expired |